20195750352 has 80 divisors (see below), whose sum is σ = 53666565120. Its totient is φ = 6541182336.

The previous prime is 20195750347. The next prime is 20195750429. The reversal of 20195750352 is 25305759102.

It is a self number, because there is not a number n which added to its sum of digits gives 20195750352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281383 + ... + 345785.

It is an arithmetic number, because the mean of its divisors is an integer number (670832064).

Almost surely, 2^20195750352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20195750352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26833282560).

20195750352 is an abundant number, since it is smaller than the sum of its proper divisors (33470814768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20195750352 is a wasteful number, since it uses less digits than its factorization.

20195750352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64600 (or 64594 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The spelling of 20195750352 in words is "twenty billion, one hundred ninety-five million, seven hundred fifty thousand, three hundred fifty-two".